.categories-header {
  padding-left: 20px;
  padding-right: 20px;
  position: fixed;
  top: 0;
  left: 0;
  width: 710px;
  height: 88px;
  background-color: #ff8f00;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.categories-header .back {
  width: 26px;
  height: 45px;
  background: url('../img/icon-back.png');
  background-size: 26px,45px;
}
.categories-header .nav {
  width: 40px;
  height: 35px;
  background: url('../img/icon-menu.png');
  background-size: 40px,35px;
}
.categories-header .search {
  display: inline-block;
  position: relative;
  padding-top: 18px;
  padding-bottom: 18px;
}
.categories-header .search:after {
  content: '';
  display: block;
  position: absolute;
  background: url('../img/search.png') no-repeat;
  background-size: 100%;
  width: 42px;
  height: 42px;
  top: 22px;
  left: 12px;
  cursor: pointer;
}
.categories-header .search input {
  line-height: 50px;
  text-indent: 76px;
  border: none;
  color: #999;
  width: 400px;
  font-size: 28px;
  border-radius: 50px;
}
.categories-main {
  padding-top: 88px;
  background-color: #e6e6e6;
  padding-left: 200px;
  height: 100%;
}
.categories-main .categories {
  width: 200px;
  position: fixed;
  top: 88px;
  left: 0;
  min-height: 1800px;
  background-color: #fff;
  font-size: 36px;
}
.categories-main .categories a {
  color: #3f3f3f;
  display: block;
  height: 118px;
  border-bottom: 1px solid #e6e6e6;
  text-align: center;
  line-height: 118px;
  text-decoration: none;
}
.categories-main .categories a.on {
  background-color: #e6e6e6;
}
.categories-main .pro-list {
  padding-top: 25px;
  overflow: hidden;
  min-height: 1800px;
}
.categories-main .pro-list li {
  width: 200px;
  float: left;
  margin-left: 48px;
  margin-bottom: 100px;
}
.categories-main .pro-list li img {
  width: 200px;
  height: 200px;
}
.categories-main .pro-list li h3 {
  line-height: 45px;
  font-size: 24px;
  color: #3f3f3f;
  text-align: center;
  height: 45px;
}
.categories-menubar {
  height: 98px;
  width: 750px;
  position: fixed;
  bottom: 0;
  left: 0;
  background-color: #ff8f00;
  display: flex;
}
.categories-menubar .list {
  width: 20%;
  text-align: center;
  color: #fff;
}
.categories-menubar .list.on {
  background-color: #eab826;
}
.categories-menubar .list i {
  font-size: 24px;
  color: #fff;
}
.categories-menubar .list .icon {
  width: 60px;
  height: 60px;
  display: block;
  margin: 0 auto;
  background-size: 60px,60px;
  background-repeat: no-repeat;
}
.categories-menubar .list .icon.icon-home {
  background-image: url('../img/icon-home.png');
}
.categories-menubar .list .icon.icon-type {
  background-image: url('../img/icon-type.png');
}
.categories-menubar .list .icon.icon-shop {
  background-image: url('../img/icon-shop.png');
}
.categories-menubar .list .icon.icon-order {
  background-image: url('../img/icon-order.png');
}
.categories-menubar .list .icon.icon-user {
  background-image: url('../img/icon-user.png');
}
